package com.dvt.faceScan.httpUntil;

import android.util.Log;

import com.dvt.faceScan.widget.Config;

import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;

/**
 * Created by XGJ on 2018/3/19.
 */

public class MyThread implements Callable<String> {
    @Override
    public String call() throws Exception{
        Log.d("TokenToken", "1");
        String authHost = "https://aip.baidubce.com/oauth/2.0/token?";
        String getAccessTokenUrl = authHost
                // 1. grant_type为固定参数
                + "grant_type=client_credentials"
                // 2. 官网获取的 API Key
                + "&client_id=" + Config.ApiKey
                // 3. 官网获取的 Secret Key
                + "&client_secret=" + Config.SecretKey;
        String access_token = null;
        try {
            URL realUrl = new URL(getAccessTokenUrl);
            Log.d("TokenToken", "" + getAccessTokenUrl);
            // 打开和URL之间的连接
            HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();
            connection.setRequestMethod("GET");
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                System.err.println(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String result = "";
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
            /**
             * 返回结果示例
             */
            Log.d("result", "" + result);
            JSONObject jsonObject = new JSONObject(result);
            access_token = jsonObject.getString("access_token");
        } catch (Exception e) {
            Log.d("获取token", "获取token失败");
            e.printStackTrace(System.err);
        }
        return access_token;
    }
}
